Overview

Duravent PolyPro is designed to allow a max temperature of 230 Degrees F and should be used on some of the Condensing Boilers and Condensing Tankless Water Heaters that we sell. Zero Clearance to combustables for up to 190 Degrees for both Vertical and Horizontal instllations. Up to 230 Degrees is Zero Clearance for Vertical installs and 1/4 inch clearance for horizontal instllations.